Home / 30,704.05-46,046.29-11,979.54

Finding the Fourth Proportional to 30,704.05, 46,046.29 and 11,979.54

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Solution

The fourth proportional to 30,704.05, 46,046.29 and 11,979.54 is: 17,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,704.05 : 46,046.29 = 11,979.54 : x
  2. Step 2: Convert to fraction form
    30,704.05/46,046.29 = 11,979.54/x
  3. Step 3: Cross multiply
    30,704.05x = 46,046.29 × 11,979.54
  4. Step 4: Simplify right side
    30,704.05x = 551,613,372.91
  5. Step 5: Solve for x
    x = 551,613,372.91/30,704.05
  6. Step 6: Final answer
    x = 17,965.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.